Donna made 2 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for both necklaces was $10.20. If the beads cost $3.20 for each necklace, how much did each pendant cost?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.